Shoe buckle



FIG. 1 is a front perspective view of a shoe buckle showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a front view thereof, shown in a used condition on a shoe shown in broken lines. 

CLAIM The ornamental design for a shoe buckle, as shown and described. 